| Insect | Size | Begin | End | |
 |
Midge | 16-22 | January 1st | December 31st |
 |
Leech | 6-12 | January 1st | December 31st |
 |
BWO |
16-22 | January 1st | June 15th |
 |
March Brown | 10-14 | February 15th | May 15th |
 |
Salmonfly | 4-8 | March 15th | July 15th |
 |
Caddis | 14-18 | June 1st | October 31st |
 |
Ant |
10-16 | July 15th | October 15th |
| |
Salmonfly | 4-8 | September 1st | October 31st |
 |
October Caddis | 6-10 | September 15th | October 31st |
| |
BWO |
16-22 | September 15th | October 31st |
Visit our Oregon Flies by Location page here:
